Eighty-one facet brilliant cut diamond



FIG. 1 illustrating a perspective view of an eighty-one facet brilliant cut diamond showing my new design;

FIG. 2 illustrating a top view of an eighty-one facet brilliant cut diamond showing my new design;

FIG. 3 illustrating a bottom view of an eighty-one facet brilliant cut diamond showing my new design;

FIG. 4 illustrating a front view of an eighty-one facet brilliant cut diamond showing my new design; and,

FIG. 5 illustrating a side view of an eighty-one facet brilliant cut diamond showing my new design. 

The ornamental design for an eighty-one facet brilliant cut diamond, as shown and described. 